In a free-fall experiment, an object is dropped from a height of  feet. A camera on the ground 500 feet from the point of impact records the fall of the object as shown in the figure. Assuming the object is released at time . Find the rate of change of the angle of elevation of the camera when . Round your answer to four decimal places.​​

(02.02 MC)After witnessing plant and animal cells under a microscope, which conclusion did scientists Schwann and Schleiden make about living organisms?

(01.03 MC)It is hypothesized that RNA may have evolved before DNA because RNA molecules

(03.04 LC)Which of the following statements supports the theory of endosymbiosis?

(03.07 MC)Which of the following could be an ethical concern of genetic genealogy use?

(04.03 LC)Which of the following would be the best option for finding food calorie counts shared by other people while you are at home?

(02.02 LC)All of the following are parts of the current cell theory except

(01.05 MC)During a trial involving a domestic violence claim, what type of demonstrative evidence would offer the most support to a witness’s claims that the abuse was ongoing?

(03.06 MC)Which of the following is a benefit of using SNP analysis over other techniques?

(05.02 LC)Following someone’s every move on social media, including where they go and who they associate with, is an example of